(19)
(11) EP 0 399 626 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.12.1990 Bulletin 1990/49

(43) Date of publication A2:
28.11.1990 Bulletin 1990/48

(21) Application number: 90201982.7

(22) Date of filing: 28.03.1988
(51) International Patent Classification (IPC)5: C07D 513/04, A61K 31/435
// (C07D513/04, 277:00, 221:00)
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 27.03.1987 JP 75439/87
25.05.1987 JP 129368/87
10.08.1987 JP 200562/87
10.08.1987 JP 200563/87
09.09.1987 JP 226184/87
10.09.1987 JP 227398/87
29.09.1987 JP 247590/87
07.10.1987 JP 254012/87

(62) Application number of the earlier application in accordance with Art. 76 EPC:
88302757.5 / 0286293

(71) Applicant: YAMANOUCHI PHARMACEUTICAL CO. LTD.
Tokyo (JP)

(72) Inventors:
  • Tanaka, Akihiro
    Tokyo (JP)
  • Fujikura, Takashi
    Urawa-shi Saitama (JP)
  • Tsuzuki, Ryuji
    Tokyo (JP)
  • Yokota, Masaki
    Yono-shi, Saitama (JP)
  • Yatsu, Takeyuki
    Tokyo (JP)

(74) Representative: Geering, Keith Edwin et al
REDDIE & GROSE 16 Theobalds Road
London WC1X 8PL
London WC1X 8PL (GB)


(56) References cited: : 
   
     
    Remarks:
    This application was filed on 20 - 07 - 1990 as a divisional application to the application mentioned under INID code 60.
     


    (54) Substituted pyridine compounds, their production, and pharmaceutical compositions containing them


    (57) Compounds of formula (I) or their salts are nephrovascular tract dilators

    wherein

    is







    Search report